Joints of the Thumb – Language of Hand and Arm Surgery Series
网页2010年9月2日 — Three Joints of the Thumb. The three joints are as follows: Carpometacarpal (CMC) Joint. Metacarpophalangeal (MP) Joint. Interphalangeal (IP) Joint. CMC Joint. The CMC joint of the thumb is located at the junction point of the thumb and the wrist.
Thumb arthritis - Symptoms and causes - Mayo Clinic
网页2022年6月16日 — Thumb arthritis is common with aging and occurs when cartilage wears away from the ends of the bones that form the joint at the base of your thumb — also known as the carpometacarpal (CMC) joint. Thumb arthritis can cause severe pain, swelling, and decreased strength and range of motion, making it difficult to …
Body Anatomy: Upper Extremity Joints | The Hand Society
网页Thumb. Interphalangeal Joint (IP) The thumb digit has only two phalanges (bones) so it only has one joint. The thumb interphalangeal (IP) joint is similar to the distal interphalangeal (DIP) joint in the fingers. The IP joint in thumb is located at …
Thumb Arthritis: Symptoms, Diagnosis, Treatment & Prevention
网页Thumb arthritis can begin to develop when the cartilage that surrounds and cushions your thumb joints starts to break down (degenerate). This is a common type of arthritis called osteoarthritis. Symptoms include pain, stiffness and swelling.
Interphalangeal joints of the hand: Bones, ligaments, mov
网页2023年10月30日 — Since the first digit only has a proximal and distal phalanx, the joint between them is simply known as the interphalangeal joint of the thumb. The function of the interphalangeal joints of the hand to permit fine motor movements in the digits. To accomplish this, these joints facilitate movement within only one degree of freedom: flexion ...
Thumb arthritis - Diagnosis and treatment - Mayo Clinic
网页2022年6月16日 — If this movement produces a grinding sound, or causes pain or a gritty feeling, the cartilage has likely worn down, and the bones are rubbing against each other. Imaging techniques, usually X-rays, can reveal signs of thumb arthritis, including: Bone spurs. Worn-down cartilage. Loss of joint space.
ANATOMY OF THE JOINTS OF THE THUMB - Hand Clinics
网页The three joints of the thumb differ markedly with respect to anatomy and function. Each contributes its own anatomic personality, and when functioning together, they allow the thumb to move with remarkable versatility and grace yet with the stability necessary to perform a wide variety of tasks.
Metacarpophalangeal (MCP) joints: Bones and ligaments - Kenhub
网页2023年10月30日 — The metacarpophalangeal joints (MCP) are a collection of condyloid joints that connect the metacarpus, or palm of the hand, to the fingers. There are five separate metacarpophalangeal joints that connect each metacarpal bone to the corresponding proximal phalanx of each finger.
Treatment for Thumb Arthritis: Exercise, Medications, and More - Healthline
网页2022年2月24日 — Treatment options. Outlook. By the creaking of my thumbs… Osteoarthritis in the thumb is the most common form of arthritis that affects the hands. Osteoarthritis results from the breakdown of...
Bones and joints of the thumb | Acland's Video Atlas of Human …
网页(3.06) Now let’s move on from the fingers, to look at the bones and joints of the thumb. The first carpo-metacarpal joint is the joint which gives the thumb its special position, and a great deal of its special mobility. Let’s take off the metacarpal heads, to see the joint surfaces. Here’s the first CMC joint.